للكاتبين : R. M. Abd El-Maksoud and N. N. Bayomi Faculty of Eng. Mataria, Helwan University,Cairo, EGYPT ABSTRACT The present paper introduces a new power assist and separate shaft turbocharger system. Such system is configured as the compressor attached to an electric motor while the turbine is connected to a generator through a clutch. The compressor shaft is connected to …
أكمل القراءة »هندسة المباني
PATH AND DEFORMATION OF A CRACK EMANATING FROM AN ELLIPTICAL NOTCH CONTAINING SMALL INCLINED SCRATCH
للكاتبين : S.E.H. EL-Gemae1, L.A. Abdel-Latif2, S.A.A. Sayedb, A.A. Abdel-Alhady2, and H.E.M. Sallam3 1Mechanical Engineering Department, Al Azhar University, Cairo, Egypt 2Mechanical Design Department, Mataria, Helwan University, Cairo, Egypt. 3Materials Engineering Department, Zagazig University, Zagazig, Egypt ABSTRACT Two dimension elastic-plastic finite element model was used to study the initiation and growth behavior of crack emanating from elliptical notch containing small …
أكمل القراءة »EFFECT OF ROTATIONAL SPEED ON FRICTION WELDING OF A LLOY STEEL
للكاتب : Amerah.A.Amrah Mechanical Design and Production Department, Faculty of Engineering, Zagazig University Zagazig, Egypt ABSTRACT The aim of this study is to investigate experimentally the effect of increasing rotational speed on the weld joint strength of an equal diameters of AISI 304l alloy steel. . Friction welding was conducted using three rotational speeds; 800,1000 and 1200. Friction pressure, forging …
أكمل القراءة »SMART TUNED STIFFNESS DAMPER
للكاتب : NASSER M. A. Yanbu Industrial College (YIC), Royal Commission for Jubail and Yanbu, P.O. Box 30426 Madinat Yanbu Al Sinaiyah, KSA. Production Engineering & Mechanical Design Department, Faculty of Engineering, Menoufia University, Shebin El Kom, Egypt. ABSTRACT This paper aims to introduce a new adaptive design of vibration control systems. A Tunable Stiffness Damper (TSD), stepper motor moving …
أكمل القراءة »ON THE NUMERICAL ANALYSIS OF A NEW SEAWATER DC PUMP MHD
للكاتبين : N. Bennecib(1), R. Abdessemed(2), S. Drid(2) (1) Université de Constantine Route d’Ain El Bey 25000 ALGÉRIE (2)Université de Batna Route chahid boukhlouf 05000ALGÉRIE Abstract The authors present a review of some physical and mathematical models that are currently used in the electromagnetic pumps for representing the behaviour of electrically conducting flows subject to the electromagnetic fields. Starting from …
أكمل القراءة »EFFECT OF SOME MANFACTURING PARAMETERS ON MECHANICAL PROPRTIES OF EXTRUDED Al-ALUMINA COMPOSITES
للكاتبين : F. Shehata, M. Abdelhameed and A. Fathy Department of Mechanical Design and Production Engineering, Faculty of Engineering, Zagazig University, ABSTRACT A wide range of particulate metal matrix composites (PMMC) of alumina and aluminum powders was fabricated using powder metallurgy techniques followed by extrusions at various extrusion ratios. The alumina particles of size 37μm were used to produce PMMC …
أكمل القراءة »A MODIFIED DESIGN OF THE RUSSIAN RADIATI CANYON FOR COBALT60 IRRADIATOR MAINTAIN ATTACHMENT FOR RESEARCH AND PRODUCTION
للكاتبين : Keshk A. B*, Imam M. M** *-Radiation Engineering Department National Center for Radiation Research and Technology. **-Atomic Energy Authority, Cairo Egypt. National Center for Nuclear Safety and Radiation Control. ABSTRACT Many of Industrial radiation facilities using Co-60 irradiation are used in many countries in development for sterilization of medical products and pharmaceuticals, with a small numbers being used …
أكمل القراءة »GEAR BEHAVIOUR UNDER DIFFERENT CONDITIONS
للكاتب : HUSSEINY I . GAFFER Production Engg .& Mechanical Design Dept., Faculty of Engineering , Menoufia University Shebin El-Kom, EGYPT. ABSTRACT : This paper presents an experimental investigation of rotating machinery malfunction diagnostics using vibration data in correlation with operational process data .The advantages of vibration monitoring systems as a part of preventive /predictive maintenance programs are emphasized .Some …
أكمل القراءة »INTERACTION OF SURFACE RADIATION WITH NATURAL CONVECTION AIR COOLING OF DISCRETE HEATERS IN A VERTICAL RECTANGULAR ENCLOSURE
للكاتبين : R.Y. Sakr1 and T.A. Ahmed2 1 Mech. Eng. Dept., Shoubra Faculty of Engineering, Benha University, Egypt 2 Mech. Power Eng. Dept., Faculty of Engineering , Cairo University, Egypt ABSTRACT This paper presents a numerical study that concerning the effect of surface radiation on natural convection cooling of four discrete isoflux heaters flush-mounted on a vertical wall of an …
أكمل القراءة »METAL STRIP COIL SHAPE DEFECTS
للكاتب : Mohamed Mostafa El-Salmawy * Post graduate student Faculty of Engineering, Cairo University ABSTRACT: This paper presents a review on the defects of flat- rolled ferrous and nonferrous strips including their mechanics and origins and how to correct them. The paper illustrates various shape defects in flatrolled ferrous and nonferrous strip, some simple such as coil set, cross bow, …
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